| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.7 | 62.9 | 68.2 | 75.6 | 84.3 | 92.2 | 96.8 | 94.5 | 88.8 | 79.6 | 64.8 | 54.4 | 76.4 |
| Highest Mean Max. Temperature (F) | 62.0 | 68.3 | 75.8 | 85.3 | 92.0 | 98.6 | 103.3 | 102.0 | 94.8 | 85.3 | 71.1 | 60.9 | 78.4 |
| Year Highest Occurred | 1970 | 1988 | 1972 | 1987 | 1973 | 1961 | 1961 | 1967 | 1969 | 1978 | 1989 | 1969 | 1970 |
| Lowest Mean Max. Temperature (F) | 47.6 | 55.9 | 62.1 | 63.7 | 75.4 | 86.5 | 89.4 | 85.7 | 81.8 | 73.6 | 58.0 | 45.8 | 73.8 |
| Year Lowest Occurred | 1977 | 1962 | 1973 | 1967 | 1977 | 1988 | 1987 | 1976 | 1985 | 1984 | 1985 | 1963 | 1982 |
| Mean Temperature (F) | 45.5 | 51.2 | 55.0 | 60.3 | 67.5 | 74.7 | 79.5 | 78.0 | 73.1 | 64.8 | 53.0 | 45.1 | 62.3 |
| Highest Mean Temperature (F) | 51.1 | 57.2 | 63.0 | 69.5 | 72.6 | 79.7 | 84.1 | 84.1 | 77.9 | 70.1 | 57.8 | 50.8 | 63.8 |
| Year Highest Occurred | 1970 | 1963 | 1990 | 1987 | 1973 | 1961 | 1967 | 1967 | 1984 | 1987 | 1989 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 39.2 | 46.8 | 50.4 | 51.9 | 61.7 | 71.0 | 74.0 | 71.7 | 67.7 | 58.0 | 48.1 | 39.2 | 60.5 |
| Year Lowest Occurred | 1962 | 1971 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1985 | 1971 | 1985 | 1990 | 1971 |
| Mean Min. Temperature (F) | 36.3 | 39.5 | 41.8 | 45.0 | 50.7 | 57.2 | 62.1 | 61.5 | 57.4 | 49.9 | 41.3 | 35.8 | 48.2 |
| Highest Mean Min. Temperature (F) | 43.2 | 47.3 | 50.6 | 53.7 | 54.8 | 62.5 | 66.1 | 66.1 | 62.4 | 57.0 | 45.7 | 42.5 | 51.0 |
| Year Highest Occurred | 1978 | 1963 | 1990 | 1987 | 1984 | 1990 | 1988 | 1967 | 1984 | 1987 | 1981 | 1983 | 1981 |
| Lowest Mean Min. Temperature (F) | 28.7 | 32.4 | 34.8 | 38.8 | 45.0 | 53.0 | 58.3 | 57.6 | 51.4 | 41.5 | 35.8 | 25.7 | 45.2 |
| Year Lowest Occurred | 1962 | 1964 | 1977 | 1970 | 1964 | 1967 | 1963 | 1976 | 1964 | 1971 | 1961 | 1990 | 1971 |
| Mean Precipitation (in.) | 1.31 | 1.21 | 1.06 | 0.50 | 0.14 | 0.15 | 0.03 | 0.03 | 0.26 | 0.29 | 0.83 | 0.86 | 6.67 |
| Highest Precipitation (in.) | 4.91 | 4.50 | 3.56 | 1.58 | 0.93 | 2.50 | 0.40 | 0.36 | 2.64 | 1.08 | 3.09 | 2.38 | 14.57 |
| Year Highest Occurred | 1969 | 1969 | 1978 | 1982 | 1977 | 1982 | 1965 | 1983 | 1976 | 1968 | 1965 | 1977 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.95 |
| Year Lowest Occurred | 1976 | 1988 | 1972 | 1989 | 1988 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | 1989 | 1989 |
| Heating Degree Days (F) | 605. | 386. | 321. | 193. | 55. | 0. | 0. | 0. | 9. | 94. | 360. | 617. | 2640. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 52. | 132. | 295. | 450. | 403. | 252. | 88. | 0. | 0. | 1683. |